Vocabulary
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| development | the construction of buildings, roads, bridges, dams, and other structures
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| land reclamation | the process of restoring land to a more natural state
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| litter | the loose layer of dead plant leaves and stems on the surface of the soil
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| topsoil | the mixture of humus, clay, and other minerals that forms the crumbly, topmost layer of soil
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| subsoil | the layer of soil beneath the topsoil that contains mostly clay and other minerals
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| bedrock | the solid layer of rock beneath the soil
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| erosion | the process by which water, ice, wind, or gravity moves fragments rock and soil
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| desertification | the advance of desert-like conditions into areas that previously were fertile
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| nutrient depletion | the process in which plants use more nutrients than decomposers can replace and that makes the soil less fertile
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| fallow | an area of land left unplanted with crops
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| crop rotation | the planting of different crops in a field each year
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| nitrogen cycle | the process by which nitrogen is removed from the atmosphere, fixed in the soil by bacteria, incorporated into other living things, and then released back into the atmosphere
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
bekah0515
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